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Cheap flights from Ireland to Washington, D.C. from $298

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington, D.C. departing on 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Washington, D.C.

Recent round-trip flight deals from Ireland to Washington, D.C.

Enter your travel dates to find the best prices.
JetBlue Logo
10:40 am - 3:42 pm
DUB
-
DCA
10h 02m
1 stop
JetBlue Logo
8:00 pm - 8:20 am
DCA
-
DUB
31h 20m
1 stop
$471JetBlue
Wed, Apr 22 - Thu, Apr 30
JetBlue Logo
10:40 am - 3:42 pm
DUB
-
DCA
10h 02m
1 stop
JetBlue Logo
3:35 pm - 8:20 am
DCA
-
DUB
11h 45m
1 stop
$480JetBlue
Wed, Apr 29 - Tue, May 5
JetBlue Logo
10:40 am - 3:42 pm
DUB
-
DCA
10h 02m
1 stop
JetBlue Logo
3:35 pm - 8:20 am
DCA
-
DUB
11h 45m
1 stop
$481JetBlue
Tue, Apr 28 - Tue, May 5
KLM Logo
6:00 am - 4:27 pm
ORK
-
DCA
15h 27m
2 stops
KLM Logo
5:05 pm - 10:45 am
DCA
-
ORK
13h 40m
2 stops
$534KLM
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
12:30 pm - 5:25 pm
SNN
-
DCA
9h 55m
1 stop
United Airlines Logo
6:05 pm - 10:15 am
DCA
-
SNN
11h 10m
1 stop
$564United Airlines
Wed, May 6 - Sun, May 10
United Airlines Logo
12:30 pm - 5:25 pm
SNN
-
DCA
9h 55m
1 stop
United Airlines Logo
1:05 pm - 10:15 am
DCA
-
SNN
16h 10m
1 stop
$566United Airlines
Fri, Apr 3 - Tue, Apr 7
Delta Logo
6:00 am - 6:59 pm
ORK
-
DCA
17h 59m
2 stops
Delta Logo
5:09 pm - 3:00 pm
DCA
-
ORK
17h 51m
2 stops
$576Delta
Thu, Mar 5 - Mon, Mar 9
Delta Logo
6:00 am - 11:44 pm
ORK
-
DCA
21h 44m
2 stops
Delta Logo
7:43 pm - 4:45 pm
DCA
-
ORK
17h 02m
2 stops
$691Delta
Mon, Mar 9 - Mon, Mar 16
British Airways Logo
5:35 pm - 4:25 pm
ORK
-
DCA
27h 50m
2 stops
British Airways Logo
7:41 pm - 3:25 pm
DCA
-
ORK
15h 44m
2 stops
$694British Airways
Thu, Mar 5 - Mon, Mar 9
British Airways Logo
5:35 pm - 4:25 pm
ORK
-
DCA
27h 50m
2 stops
British Airways Logo
2:16 pm - 11:10 am
DCA
-
ORK
16h 54m
2 stops
$695British Airways
Thu, Mar 5 - Mon, Mar 9

United Airlines flights from Ireland to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Mar 16
DUB8:00 amDublin
14h 05m
1 stop
DCA6:05 pmWashington, D.C. Reagan-National
Mar 29
DCA11:55 amWashington, D.C. Reagan-National
16h 50m
1 stop
DUB9:45 amDublin
$551
United Airlines
Mar 16
DUB8:00 amDublin
14h 05m
1 stop
DCA6:05 pmWashington, D.C. Reagan-National
Mar 22
DCA6:00 pmWashington, D.C. Reagan-National
9h 30m
1 stop
DUB7:30 amDublin
$553
United Airlines
Apr 13
DUB9:50 amDublin
15h 03m
1 stop
DCA7:53 pmWashington, D.C. Reagan-National
Apr 24
DCA8:10 pmWashington, D.C. Reagan-National
10h 00m
1 stop
DUB11:10 amDublin
$557

Delta flights from Ireland to Washington, D.C. Reagan-National Airport

Our best Delta deals on Ireland to Washington, D.C. Reagan-National Airport flight tickets
Delta
Feb 26
DUB5:55 amDublin
16h 55m
2 stops
DCA5:50 pmWashington, D.C. Reagan-National
Mar 4
DCA11:06 amWashington, D.C. Reagan-National
15h 54m
2 stops
DUB8:00 amDublin
$525
Delta
Mar 6
DUB1:25 pmDublin
15h 18m
2 stops
DCA11:43 pmWashington, D.C. Reagan-National
Mar 10
DCA12:29 pmWashington, D.C. Reagan-National
16h 16m
2 stops
DUB8:45 amDublin
$528
Delta
Feb 28
DUB5:55 amDublin
15h 32m
2 stops
DCA4:27 pmWashington, D.C. Reagan-National
Mar 9
DCA5:05 pmWashington, D.C. Reagan-National
12h 15m
1 stop
DUB9:20 amDublin
$529

momondo Fare Finder

 
Customize your flight search to find flights from Ireland to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 21, 2026.
Use the filters below to find and compare flights from Ireland to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 4/22

10:40 am-3:42 pm

1 stop10h 02m

Washington, D.C. Reagan-National

Thu 4/30

8:00 pm-8:20 am

1 stop31h 20m

$471

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 4/29

10:40 am-3:42 pm

1 stop10h 02m

Washington, D.C. Reagan-National

Tue 5/5

3:35 pm-8:20 am

1 stop11h 45m

$480

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 4/28

10:40 am-3:42 pm

1 stop10h 02m

Washington, D.C. Reagan-National

Tue 5/5

3:35 pm-8:20 am

1 stop11h 45m

$481

CorkWashington, D.C.

ORK - DCA

ORKDCA

Cork

Thu 3/5

6:00 am-4:27 pm

2 stops15h 27m

Washington, D.C. Reagan-National

Mon 3/9

5:05 pm-10:45 am

2 stops13h 40m

$534

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Wed 5/6

12:30 pm-5:25 pm

1 stop9h 55m

Washington, D.C. Reagan-National

Sun 5/10

6:05 pm-10:15 am

1 stop11h 10m

$564

ShannonWashington, D.C.

SNN - DCA

SNNDCA

Shannon

Fri 4/3

12:30 pm-5:25 pm

1 stop9h 55m

Washington, D.C. Reagan-National

Tue 4/7

1:05 pm-10:15 am

1 stop16h 10m

$566

CorkWashington, D.C.

ORK - DCA

ORKDCA

Cork

Thu 3/5

6:00 am-6:59 pm

2 stops17h 59m

Washington, D.C. Reagan-National

Mon 3/9

5:09 pm-3:00 pm

2 stops17h 51m

$576

CorkWashington, D.C.

ORK - DCA

ORKDCA

Cork

Mon 3/9

6:00 am-11:44 pm

2 stops21h 44m

Washington, D.C. Reagan-National

Mon 3/16

7:43 pm-4:45 pm

2 stops17h 02m

$691

CorkWashington, D.C.

ORK - DCA

ORKDCA

Cork

Thu 3/5

5:35 pm-4:25 pm

2 stops27h 50m

Washington, D.C. Reagan-National

Mon 3/9

7:41 pm-3:25 pm

2 stops15h 44m

$694

CorkWashington, D.C.

ORK - DCA

ORKDCA

Cork

Thu 3/5

5:35 pm-4:25 pm

2 stops27h 50m

Washington, D.C. Reagan-National

Mon 3/9

2:16 pm-11:10 am

2 stops16h 54m

$695

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ireland to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Washington, D.C. Reagan-National?

JetBlue, WestJet, and British Airways are the most popular carriers operating from Ireland to Washington, D.C. Reagan-National

Cheap Ireland to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Washington, D.C. Reagan-National Airport

Fastest flight time

9h 55m

Direct flights

None
The fastest flight from Ireland to Washington, D.C. Reagan-National Airport takes 9h 55m
There are no direct flights from Ireland to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Ireland to Washington, D.C. Reagan-National Airport.
Search flight deals

  • When did momondo last update prices for flights from Ireland to Washington, D.C. Reagan-National Airport?

    Prices for flights from Ireland to Washington, D.C. Reagan-National Airport are updated daily.

  • How old do you have to be to fly from Ireland to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Silver Spring
Tysons
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Bethesda
Linthicum Heights
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Ireland.

Can I find flights from Ireland to Washington, D.C. with flexible booking policies on momondo?

Flights from Ireland to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ireland to Washington, D.C.?

momondo helps you find the best flight between Ireland and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ireland to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Ireland and alert you when they change.

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